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Green printed circuit board with black memory chips on both sides, gold edge connectors, no heat spreader

OWC

OWC 64GB DDR4 3200 ECC Registered RDIMM 288-Pin 2Rx4 1.2V CL22 Server RAM

SKU CH-ZC68-N9RT2

64GB DDR4 3200 ECC registered RDIMM replacing Supermicro MEM-DR464MC-ER32 MEM-DR464L-CL05-ER32

  • Capacity64GB
  • Type288-Pin DDR4 ECC RDIMM
  • SpeedDDR4 3200 (PC4 25600)
  • CAS LatencyCL22
  • Voltage1.2V
  • ECCYes
  • 64GB capacity expands server memory headroom
  • DDR4 3200 speed matches PC4-25600 bandwidth
  • ECC registered design protects data integrity
  • 2Rx4 dual-rank organisation optimises throughput
  • 2V operation reduces power draw

Server-grade ECC RDIMM for workstations

This 64GB DDR4 3200 module brings registered ECC memory to compatible Supermicro platforms and other JEDEC-standard servers. It targets administrators who need data-integrity protection for virtualization, databases or long-running compute jobs. Standard desktop boards cannot use registered DIMMs, so this memory is not for consumer PC builds or unbuffered-only systems.

64GB capacity at DDR4 3200 PC4-25600

The single stick delivers 64GB of address space with CL22 latency at 1.2V, giving substantial headroom for multi-VM hosts or in-memory analytics. Two-rank 2Rx4 organization keeps signal loading predictable on populated channels. Workloads that exceed 64GB per channel or demand lower latency than CL22 will hit the module’s limits.

No heat spreader or bundled software

The bare PCB design fits tight server DIMM slots without clearance conflicts, while JEDEC and RoHS compliance ensures a warranty-safe upgrade path. OWC’s advanced replacement program and lifetime warranty with free tech support back the hardware, but no configuration utilities, monitoring tools or firmware packages are included.

Points forts

  • 64GB capacity expands server memory headroom
  • DDR4 3200 speed matches PC4-25600 bandwidth
  • ECC registered design protects data integrity
  • 2Rx4 dual-rank organisation optimises throughput
  • 2V operation reduces power draw

Caractéristiques

BrandOWC
Part Number3R2D42R464GB
Capacity64GB
Type288-Pin DDR4 ECC RDIMM
SpeedDDR4 3200 (PC4 25600)
CAS LatencyCL22
Voltage1.2V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
Heat SpreaderNo

Questions sur cet article

Will this 64GB DDR4 3200 ECC Registered RDIMM work with other DDR4 3200 registered modules already in my server?

This module runs at DDR4 3200 with CL22 latency and 1.2V. Matching speed, voltage, registered type, and 2Rx4 rank with existing DIMMs gives the best chance of stable operation.

How can I confirm the 64GB DDR4 3200 ECC RDIMM is running at its rated 3200 MT/s after installation?

Check the memory speed reported in the system BIOS or UEFI, or use a hardware information tool in the OS; it should show DDR4 3200 (PC4-25600) with ECC active.

Does the 64GB DDR4 3200 ECC RDIMM come with a heat spreader, and is anything else needed for installation?

The module has no heat spreader. Only the DIMM itself is included; no extra cables, brackets, or tools are required for a standard 288-pin server slot.

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